Automobile-bumper



- A. L. McGREGOR. AUTOMOBILE BUMPER. APPLICATION FILED JAN.17, 192l- Patented Mar. 22

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This inventionrelatesto improvements in automobile bumpers, and more particularly to bumpers of the resilient bar type, characterized by a wide impact section extending throughoutthe central portion of the loumper.

ltn common with all bumpers of this type,

r the object of the invention is to provide a structure which will afford ample protection a to a motor vehicle in the event of collision, by yieldably resisting the shoclrs delivered against it, without permanent distortion of the bumper, these results being secured, for the most part, by designing and assembling the parts so as to promote equal distribution.

of the shock throughout the entire bumper structure, and byth'e provision of suitable reinforcing or brace members. I

it bumper embodying the invention is illustrated in the accompanying drawings, in whichl igure l is a top plan view of the bumper as attached to the frame of a motor vehicle,

Fig. 2 is a view in front elevation of the bumper,

Fig. 3 is an enlarged detailed view in ver tical section, taken on line 3-45 of Fig. 52,, and

Fig. f is an enlarged detailed view in top plan of one end of the bumper.

in its general structure, the bumper com prises a front impact member consisting of a central impact section A, made up of two parallel bars spaced apart vertically, and sections B-B extending laterally beyond the ends of the central impact section A. and forming the outer extremities of the bumper, and a reinforcing member C spaced-rearwardly of the impact section A and adapted for direct connection with the frame memdium of suitable brackets E -E.

Referring now more in detailto thediffenent parts of the bumper as already described, the central impact section is made.

up of two parallel bars 1-l which are spaced apart one above the other and joined together at their ends by means of vertical pins 2-2 which engage eyes formed at the ends of said bard, these pins being provided at their ends with screw caps or nuts 3 which. are removable for the purpose of assembling or disassembling the structure, Connected with the pins 2-2 and inter-mediate the ends of the bars l-l are single bars ea of comparatively short length which extend outwardly beyond the central impact section, and curving rearwardly to form the end portions beingoent rearwardly and inwardly in V-shape and terminating at short distance inwardly, the inner ends of the bars lare bent in the form of eyes which surround thepins 33 between tlieendsof the bars l-l, thereby forming relatively derible connection between the central-impact section A and end sections 18.

its before-suggested, the reinforcing member C extends the full width of the bumper, being spaced for the most part rearwardly of the central impact section A, and comprising a resilient bar pivotally connected withthe ends of "the U-shaped end bars le-4r in a manner hereinafter to be described in detail, and moreover is bent orshaped in the following manner: immediately adjacent its outer entremities, the bar is curved in a forward direction throughout the portions 5 5, and inwardly therefrom are formed short straight portions as at 6-6, to which the brackets lt-E "are connected. lhe central portion 7 of the bar C between the bracket engaging portions 6-45, is bent li haped and toward the central impact section B, the apex of this ll-shaped portion 7 terminating at the center of the central impact section it, and in the vertical plane thereof. at this point a connecting inem ber clearly shown in Fig. 3, is mounted, the same acting to tie the apex of the V-shap'ed portion 71130 the bars 1.-1 of the central impact section it. Ufhisfconnecting member comprises a pin 8 similar in all respeetsto the pins 8-43, and ertendsvertically imme diately to the rear of the bars l--1. i ls be r \fore, the ends of the pin ti are surmounted by means of remoyable screw caps 9-43, and carried upon the pin are bloclrs 10-19 which occupy positions adjacent theends of the pin and are provided with recessed lugs 10 in the nature of books which engage the outer edges of the, bars lie-4., Likewise, there is mounted on the pin 8 and intermediate the blocks 10=--10 the vertical looking plate it provided with integral ears 12PM, which extend between the edges of hit till

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